# CVE-2026-62873

## Summary

- **CVE ID:** CVE-2026-62873
- **Severity:** CRITICAL
- **CVSS Score:** 9.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C)
- **CWE:** CWE-347
- **Published:** Aug 6, 2026
- **Last Modified:** Sep 16, 2026

## Description

Improper verification of cryptographic signature in Microsoft 365 Admin Center allows an unauthorized attacker to elevate privileges over a network.

## Affected Products

- Microsoft — Microsoft 365 Admin Center (-)

## References

- [CNA](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62873)

## Exploitation Prediction (EPSS)

- **EPSS Score:** 0.53%
- **EPSS Percentile:** 43.5

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_Exported from OnDuty AI Vulnerability Intelligence on 2026-09-18._